
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>请先登录</title>
</head>
<body>

<center>
  <form method="post" action="doLogin">
    <p> 用户名 <input type="text" name="username" id="username"> </p>
    <p>  密码 <input type="password" name="password" id="password"> </p>
    <p><input type="submit" value="提交" name="btnSubmit"> </p>
  </form>
</center>
</body>
</html>
